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VashaNatasha [74]
3 years ago
15

How many ways can 7 books be arranged on a shelf 5 at a time?

Mathematics
1 answer:
aliya0001 [1]3 years ago
5 0
Symbolically, write this:

   C
7     5.  Know how to evaluate that?


C stands for "combination."
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How many times farther is Mars than Venus from the sun?
Alexandra [31]

Answer:

75,000,000

Step-by-step explanation:

To find how much father Mars is to Venus to the sun you just subtract the two numbers.

7 0
3 years ago
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How do I add 3/8 + 2 1/2 =
Alisiya [41]

Answer:

2 7/8

Step-by-step explanation:

3/8 + 2 4/8= ?

3/8+ 4/8= 7/8

7/8+ 2 = 2 7/8

5 0
3 years ago
The ratio of roses to carnations is 7 to 5. If there are 28 roses, how many carnations are there? Complete the ratio table to fi
Mila [183]
7\5=28/x so complete the equation by simple algebra.so the x will be 20
7 0
3 years ago
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The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall sem
Naily [24]

Answer: 1406

Step-by-step explanation:

Given Table :

Admissions   Probability

1,040                0.3

1,320                0.2

1,660                0.5

Now, the expected number of admissions for the fall semester is given by :-

E(x)=p_1x_1+p_2x_2+p_3x_3\\\\\Rightarrow\ E(x)=0.3\times1040+0.2\times1320+0.5\times1660\\\\\Rightarrow\ E(x)=1406

Hence, the expected number of admissions for the fall semester = 1406

3 0
3 years ago
A loan company charged 35 percent interest on every dollar borrowed. If a person borrowed 177 dollars, how much would they end u
pav-90 [236]
We know that 35 percent interest is applied on every dollar borrowed.
thus, for 1 dollor borrowed. the interest would be 0.35 dollar.
for 177 dollars, the interest would be 0.35*177.
plus the original 177 dollar, they would end up paying 177+0.35*177=238.95.
8 0
3 years ago
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